1£®The food was difficult ________ (find) in winter, so they often starved.

2£®He heard a voice ________ (call) for help when he was walking on the beach.

3. ________  was obvious that a heavy rain was on the way.

4£®I have been looking forward to ________ (return) to my homeland.

5£®He apologized ________ the teacher for his missing the lesson.

6£®The man we followed suddenly stopped and looked as if  ________(see) whether he was going the right direction.

7£®More than one doctor was involved in the rescue work after the earthquake took ________.

8£®They set up a monument ________ memory of those who died in the great earthquake.

9£®Jack comes from a tradition where people dress  ________ for particularly popular sporting events.